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Finding the Fourth Proportional to 268,906.40, 402,776.40 and 222,250.40

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Solution

The fourth proportional to 268,906.40, 402,776.40 and 222,250.40 is: 332,893.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,906.40 : 402,776.40 = 222,250.40 : x
  2. Step 2: Convert to fraction form
    268,906.40/402,776.40 = 222,250.40/x
  3. Step 3: Cross multiply
    268,906.40x = 402,776.40 × 222,250.40
  4. Step 4: Simplify right side
    268,906.40x = 89,517,216,010.56
  5. Step 5: Solve for x
    x = 89,517,216,010.56/268,906.40
  6. Step 6: Final answer
    x = 332,893.59

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